Interliner



R. SCHAFER Jan. 17, 1928.

INTEBLINER Filed June 17. 1926 Mi aw;

Patented Jan. 17, I928.

UNITED STATES RICHARD soninm,

PATENT OFFICE.

OF IAGDEBURG, GEBHALIY, ASSIGNOB '1'0 IAZIHILIAN WIESENTHAII, OIMAGDEBURG, GERMANY;

INTEBLINER.

Application filed June 17, 1926, Serial No. 118,717,,and in Germany July6, 1925.

This invention relates to an interliner for wheel-tires, designed toprevent plerclng of the air-tube by foreign bodies which have penetratedthrough the cover of the wheeltire.

The interliner, according to the invention is composed of a number oflayers of dif ferent materials, as tricot fabric, twine fabric andcotton-wool.

A protectinv stri for carrying out the imroved methodis s own, by way ofexample, in the accompanying drawings in which Fig. 1 is a cross sectionthrougha wheel tire with rotecting strip inserted.

Fig. 2 siiows the protecting strip in plan view and Fig. 3'is a crosssection of the same.

As can be seen from Fig. 1' a protecting stri a composed as will behereinafter descri d is inserted between the cover 6 and the air-tube aof a wheel tire. The protecting strip a as shown in Figs. 2 and 3 hasgiven very good results and it consists of superposed strips ofdifierentmaterials. The outer layer 11 of the rotecting strip is madefrom a tricot-like fa ric, the next second layer e consists of a twinefabric, the next third layer f is made ofcotton wool, the fourth orcentral layer (1 is made of a tricot-like fabric, the fifth layer f isof cotton wool, the sixth layer 6 of twine fab ric and the seventh layerd consists of a tricot-like fabric.

All the layers are connected with one another by means of seams 9 sothat a protecting strip is formed which comprises a thick centralportion and is flat at the ed es its shape being adapted to the shape oft e-tire cover and of the air-tube. In order to prevent prejudicialfriction the protecting strip is rubbed, prior to be inserted, with asub stance for instance talcum.

I claim An interliner for wheel tires, consistin of layers of differentmaterials superpose as follows a layer of tricot fabric, twine fabric, alayer of cotton wool, a central layer of tricot fabric, a layer ofcotton wool, a layer of twine fabric and a layer of tricot fabric.

In testimony whereof I aflix my signature.

RICHARD SCHAFER.

a layer of

